// Generated from EasyDSL.g4 by ANTLR 4.3
import org.antlr.v4.runtime.misc.NotNull;
import org.antlr.v4.runtime.tree.ParseTreeListener;

/**
 * This interface defines a complete listener for a parse tree produced by
 * {@link EasyDSLParser}.
 */
public interface EasyDSLListener extends ParseTreeListener {
	/**
	 * Enter a parse tree produced by the {@code identifier}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void enterIdentifier(@NotNull EasyDSLParser.IdentifierContext ctx);
	/**
	 * Exit a parse tree produced by the {@code identifier}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void exitIdentifier(@NotNull EasyDSLParser.IdentifierContext ctx);

	/**
	 * Enter a parse tree produced by the {@code andEpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void enterAndEpr(@NotNull EasyDSLParser.AndEprContext ctx);
	/**
	 * Exit a parse tree produced by the {@code andEpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void exitAndEpr(@NotNull EasyDSLParser.AndEprContext ctx);

	/**
	 * Enter a parse tree produced by the {@code orEpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void enterOrEpr(@NotNull EasyDSLParser.OrEprContext ctx);
	/**
	 * Exit a parse tree produced by the {@code orEpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void exitOrEpr(@NotNull EasyDSLParser.OrEprContext ctx);

	/**
	 * Enter a parse tree produced by {@link EasyDSLParser#line}.
	 * @param ctx the parse tree
	 */
	void enterLine(@NotNull EasyDSLParser.LineContext ctx);
	/**
	 * Exit a parse tree produced by {@link EasyDSLParser#line}.
	 * @param ctx the parse tree
	 */
	void exitLine(@NotNull EasyDSLParser.LineContext ctx);

	/**
	 * Enter a parse tree produced by the {@code parenExpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void enterParenExpr(@NotNull EasyDSLParser.ParenExprContext ctx);
	/**
	 * Exit a parse tree produced by the {@code parenExpr}
	 * labeled alternative in {@link EasyDSLParser#expr}.
	 * @param ctx the parse tree
	 */
	void exitParenExpr(@NotNull EasyDSLParser.ParenExprContext ctx);
}